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Individual Calculations March 2023 |
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| Ambru, Dan-Calin Total change: -27.40 | |   |
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| Petra Chess Weekend - 30th ed. | Satu Mare | ROU | 2023-02-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1993 | 1978 | 2.00 | 7 | -1.37 | 20 | -27.40 | |
|  Helmer, Janos | | | 1948 | ROU | 0.50 | 1 | -0.04 | 20 | -0.80 | |  Olah, Francisc | | | 1903 | ROU | 0.50 | 1 | -0.10 | 20 | -2.00 | | | Breitkopf, Ioan-Francisc | | | 1919 | ROU | 0.00 | 1 | -0.58 | 20 | -11.60 | | | Szabo, Attila | f | | 2183 | ROU | 0.00 | 1 | -0.24 | 20 | -4.80 | | | Miron, Ionel | | | 1928 | ROU | 1.00 | 1 | 0.43 | 20 | 8.60 | | | Costin, Petrica | f | | 2017 | ROU | 0.00 | 1 | -0.45 | 20 | -9.00 | | | Nagy-Elek, Tamas | | | 2055 | ROU | 0.00 | 1 | -0.39 | 20 | -7.80 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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